Allantoin racemase

In enzymology, an allantoin racemase (EC 5.1.99.3) is an enzyme that catalyzes the chemical reaction

(S)(+)-allantoin (R)(-)-allantoin
allantoin racemase
Identifiers
EC number5.1.99.3
CAS number56214-40-5
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

Hence, this enzyme has one substrate, (S)(+)-allantoin, and one product, (R)(-)-allantoin.

This enzyme belongs to the family of isomerases, specifically those racemases and epimerases acting on other compounds. The systematic name of this enzyme class is allantoin racemase. This enzyme participates in purine metabolism.

References

    • Van der Drift L, Vogels GD, Van der Drift C (1975). "Allantoin racemase: a new enzyme from Pseudomonas species". Biochim. Biophys. Acta. 391 (1): 240–8. doi:10.1016/0005-2744(75)90170-9. PMID 237557.


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